a wind turbine

Abstract

The invention discloses a wind generating set, which mainly consists of a gear box, a generator, a wind wheel and a cabin chassis, wherein the gear box (2) is internally provided with a variable-pitch pull rod (15) and a transmission shaft, the variable-pitch pull rod (15) is connected with a variable-pitch oil cylinder (7) through a flange, the transmission shaft is in swirl arrangement, a low-speed shaft of the gear box (2) serves as a main shaft to be connected with a wheel hub (10), a high-speed shaft of the gear box is connected with the generator through a connecting disc (3) via a flange and is positioned by a seam allowance, a carriage (6) is fixedly arranged on the gear box (2), the distance between the generator and the carriage can be adjusted by an adjustable jackscrew (5), the wind generating set is also internally provided with two sets of procession yawing speed reducers, and the tooth number of gear teeth of each procession yawing speed reducer is smaller than 50. The wind generating set is in a compact type integrated design and has an ideal weight / performance ratio, the assembling and debugging time can be reduced, the requirement for maintenance is reduced, the cost is reduced, no vibration and low noise are realized, and the service life is prolonged.

Description

technical field [0001] The invention belongs to the field of mechanical manufacturing, and in particular relates to a 200kW medium-sized wind power generating set. Background technique [0002] At present, the requirements for wind turbines in the actual operation of wind farms are: reduce the weight of the unit, reduce the size of the outer width, and reduce the manufacturing cost. The overall performance requirements for maintenance and other aspects are also further improved. For example, the structure of the nacelle (head) of a medium-sized wind turbine is still in the traditional split structure of the main shaft, main bearing, locking disc, gearbox, coupling, generator and other parts. In this way, the axial size of the unit will inevitably be lengthened, the width of the cabin will increase, and the number of connecting parts will increase. At the same time, a series of disadvantages will inevitably occur, such as complicated maintenance, high manufacturing costs, in...

AI Technical Summary

Problems solved by technology

In this way, the axial size of the unit will inevitably be lengthened, the width of the cabin will increase, and the number of connecting parts will increase. At the same time, a series of disadvantages will inevitably occur, such as complicated maintenance, high manufacturing costs, increased weight of the cabin, and the unit is prone to vibration and noise.

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